Regulating-valve for liquid-fuel burners.



PATBNTED OCT. 1, 1907.

C. F. GURREY. REGULATING VALVE FOR LIQUID FUEL BURNERS.

. APPLICATION FILED EAR. 8, 1906.

Wftnes sea SEARS, OF TOPEKA, KANSAS.

a REGULATING-VALVE FOR LIQUID-FUEL BUBNEBS.

Specification of Letters Patent.

Pltsnted Oct. 1, 1907.

. v, Application filed larch 8,1906. Serial No- 804,558-

To all whom it may concern.

Bait. known that I, (nannss Fnsnoar Cuunsv, a citizen of theiinited States, and a resident of Topeka, ,inthexounty of Shawnee and State of Kansas, have 5 invented new and useful Improvements in Regulatirg-Valves for Liquid-Fuel Burners, of which the followingtisa spfl'ification.

Theinvcntion relates to a device for automatically --.regulating the.liquid-fuel supply. This regulation is dtnirmlior at least two rcastms: first, to maintain a uuifonu temperature in the room or area to be heated; andsecond, to prevent the stoppage of the flow of liquidfuel mu account of obstructions Lodging in the -valveg .In. theuse of crude-oil and its productsiu the lower stages of refinement, we find various solid and semi-solid impurities; and them is an element of danger, especially where the feed is slow as in stoves and where there is no constant attendant, that a stoppage .TtmLLheDil-fl W may occur on account of the asphaltum and othgrmatterl slging at the minute opening through thmyalvo andputting out the fire by shutting off the fuel'supplya, The mere extinguishrnent of the fire is objeqtit mable; and in addition there is the further ggdanger that thereafter the obstruction may become dislodged .andthe fire-box overflowetiwit-h the fuel oil. thiy-in vcntitm consists of a device adapted to be attachedttpa liquid-fuel burner, the principal clement:- hoing aregulating. valve and a means for automatically .3 e perati w i qlamo and so arranged that a reduct ion of temperature will increase the size of the valve opening an4l ,a,rise, 9f temperature will cause a reduction of the size of the valve. opening. A reduction of temperature may have either or-both of two causes. It may be N .that the surrounding atmosphere gets colder, in which 85 case the increase in the fuel supply will tend to make it warmer and thereby bring the surrounding atmosphere tonormal temperature, the ('tlmxlptllllilllg rise in 'wmpcratnre having the effect of again reducing l thewalvs opening to normal. (7r it may be that an obstruction in the regulating val vo has caused a partial shutting off of the fuel supply; and in such case my device will open up the valve wider, which will permit the obstruction to pure or to be disltxlgcd, and as it passes, a large supply of the oil pastas also. which quickly again heats up the burner with the ctl'crt I again reducing the valve opening to normal. The regulation by my device is of the fuel supply. It does not regulate the draft as in many other cases, but acts directly upon the fuel supply itself. In the case of an olmtruction in the pnsmige, my device removes that ,ohstmction without interfering with the fire; and does not merely afford a factor of safety in completely shutting down the'snpply when the fire goes out on account of such obstruction. It further serves to maintain a constant temperature. I also provide a means for adjusting the valve to maintain any desired temperature, this being accomplishcxl by the automatic rcgulat ion of a constant flow of the liquid-fuel. I make use of the expansion and contraction of metals. Fully and satisfactorily to accomplish the objects of my in- .vention I make use of the expansion and contraction irf the wall of the combustion chamber or radiating chamber, or other part affected by the heat from the fire-box, as these parts are perhaps usually the most sensitive to changes in temperature both inside and Outside, and available for the purposes of my invention.

The invention consists of the parts, impmvemcnts, and combinations herein set forth and claimed.

In the drawings accompanying and forming part. of this specification, and in the description thereof, 1 have shown the invention in its preferred f rm and have also shown the best mode of applying the principles thereof; but it is to be understood that thc invention itself is not confined to these drawings and the description of these drawings, that it may be applied to other uses, that parts and combinations as separately claimed may he used either with or without othcr'devices of similar general nature, and that I contemplate changes in form, proportion, materials, arrangement, the transposition of parts, and the substitution of equivalent members, without departing from the spirit of the invention.

Figure 1 is a view of the apparatus comprising my invention applied to the type of heating stove commonly known as a round oak stove, usually comprising a vertically dis osed sheet-metal drum for a combustion-ehamber and radiating surface. Fig. 2 is a view taken approxiumtcly through the line 22 of Fig. l; and Fig. 8 is a view taken appmximatcly on the line 3'3 of the same figure. Fig. 4 is an enlarged vertical central sectional view of the valve proper in al it the position taken in permitting a s'mall flow of oii. Fig.5 is a top view of the plunger. showing the stem in section. Fig. 6 is an enlarged vertical central sectional view, correspomling in part to Fig. 4, but showing a modified form of regulating valve, the modification being the addition of an arrangement for completely shutting off the oil supply in case of the entire extiuguislnnent of the fire.

Like reference numerals indicate like or corrcs smding parts throughout the several views.

1 represents a portion of tho shect-nn-tal vertically disposed drum of the stove to which my invention is attached; 2 represents the top casting; and 3 is'the fire-box. Should further details he desired as to the construction of this particular type of oil-stove, referand 5 is the supply outlet pipe.

10 in the valve chamber, and ll is the opening from the chi-arbor to the outlet pipe 9. The upper edge is out smoothly and squarely, 15, so as to term an even and clear cut shoulder.

12 is the plunger filling movnbly in the opening or valve-sent 11; it has a hole 13 extending irom the bottom upwards and a port 14 from said opening out through the side. By lowering or raising the plunger, the peerage lrorn chn 'lbllfll) into outlet 9, through port 14 and hole is mayllie diminished or increaaed. Plunger 12 is secured to the lower end of ii rod or stem 16 which extends up through the stuffing-box l7 and cap 18 (between which two elements may be placed any euitable packing material). The stern 18 may be connceted with a rod .19, which forms a continuation thereof, by a coupling sleeve 20 and pins 2!, -21. The upper end of red 19 is threaded and passes through the nut 22 which is suspended on trnnnions 23, 23 in the bifurcated end 24 of the lever 25 which is pivoted at its other entl to the bracket 28, as by a pin.27. The rod 19 is provided with a wheel handle 32, by which it may be manually raised or lowered. The bracket 26 is secured to the upper part of the sheet-metal drum, as by riveting it thereto; another bracket 28 la riveted to the lower part oi the drum; and a rod 29 is fastened to the lower bracket, a jam nut 30 serving to holdit secure. "I'hsupper end of the rod 29 lapivoted to the lever 25 by a pin ill and rather eloseto the pin 27. Themd29nhmrld berathe'rheavysoaanottobemadily naponnive to variations ,in the temperature. and

stands out from the drum. 0n the other hand, however, the sheet-metalot the drum being quite thin is readily responsive to such variations. either from within as by variations in tho incl-supply, or ironr the outside, as by the changes in the surrounding atmosphere. These variations do not, however, as above stated, readily affect the hcavy'rod 29 which remains practically oi the some length.

It will now be understood that, the parts being in about the positions shown in the drawings, should the outside atmmphere become colder, it will canoe the Hilml metul oi the drum to contract, although not uppreciubly ntfocting the rod 29; and this caunea the outer end oi lever 25 to he riiaml thernby lilting rod 10 and wi'h it the plunger 12 and increasing the opening tl-mllgll the port 14. This permits a larger supply of oil to pun-4 through the valve to the humor, increases tuo cmnbnution, and by a eontra'ry action, again roduw-s the valv opening and mm the temperature to uoruml. Again, in (use the nzduction oi temperature is mused by a diminution of heat in tho combustion-elmmber resulting from a nlnppagp in the valve, as by aaphaltnln or other substance lodging at the 01X!!- ing, the sheet-metal will likewise contract and similarly lilt rod 19 and plunger l2 until the obntiuctlon in diehxiged, alter which the llow iuul tempeniturc will be aimilawly restored to normal. This dinlmlguu-ut oi the obstru tion is an,important feature of my invention, as know oi no other appanrtus or. n-gnlamr adapted r this purpose. lly locating the pins 27 and 3! qmto close together, we gain a cmnparativoly. long travel with the rod Ill and plunger 12. In about the relative proportions shown in the dnrwinge, th plunger will travel from its position therein shown at a normal temperature, to a position with the entire port it above the valve seat 15 when the stove is cold. The valve 6 maybe operated by hand to positively control the flow, as when starting and stopping the tire; but when the tire is once well under way, the valve 6 may be opened up wide, and the valve 7 adjusted to any desired ilow or temperature by the handle 32. Should the stove be giving off more heat than is desired, the rod-l9 should be screwed down to reduce the opening through the regulating valve; should it be not giving oi! enough heat, the valve -should be screwed up.

and temperature will be maintained automatically. Although I have shown the brackets 26 and 28 as aocured respectively to the top and bottom oi the sheetmetal drum, it is now quite clear that the purpose is to secure thsmat a'nyauitable placeaaoaato improperly spaced apart, and sothat they will move toand hum each other by the contraction and expansion at the aheet rnetal drum. holder that there shall hem complete shutting old the fuel supply by reason oi the plunger being depressed too far, either by theatrtomatic action thereot or by hand, I provide a groove 14' on the' lace oi the plunger extending from the port 14 upwards.

Inthemodiflediormahownin Fig. 6, theplungeriaa little longer, the bottom is plugged, and side openings 13', l3are provided iorthe pangeoi theoiland 00 arranged thatwherithopcrtltlaentirolyabdvotho valve seat 15, the holes 13', l3',are entirely closed by thevalveaeatll. 'Ihepurpesoiathatincaasqltlw entire-extingulahmentolthe all, thovalvowill, by on cooling of the stove, become oritiroly closed, thus pmirnpossible event oi the fire going out entirely. What I claim is: 1. In a llquld-ruol burner, the comblnatlon of a thermostatic device arranged to-be acted upon directly by the tlame or the burner whereby It to readlly nuponalvc to variations in the tcmrwrnture oi the eoralutatlou chamher. a tuol-aupply plpe. and n regulating valve then-la automatically controlled by nnld devlec.

2. In a llquld-tuel burner. the combination of n therrnoatatlc device arranged to he acted upon dlre'ctly by the tlnrne of the burner wherehy'lt la rcadlly rcaponalvo to vnrlatlona in the temperature of the eornhuatlou churnher, n l'ncl-aupply pipe, and a regulatlng valve thereln. automatically controlled by mild device no an to lnercaac rtnalso ot the valve opening when the temperature is lowered and to reduce the also of mild tcnureraturo la rallied.

it. In a llqnld-tuel burner, tho co-blaatlon of a thermontatle device nrranirerl to he acted upon dlrectlyrhy the tlnrne o! the burner whereby It is readily reaponalve to opcnlng when the her, a luel-anpply pipe. and a regulating valve therein the nine or the vulvi hmnlmr-whsn 'the temperature la lowered and to reduce the flilfl at said opening when the But at whatever adjuntment it is set, the desired flow vnrlatlona In the tcraporature' of the conthuntlon chane,

nnlmnntlr-ally controlled by mild devles so an to linemanviding a tactor of safety, oven in the case of the alumni lflo temperature ta rained, together with a cot-o! cock and 12. The combination with a ntove having a'lheet-tnetni menus tor manually adjuuting the regulating valve. wall readily reaponalve to changee in the temperature -I. in a liquid-fuel burner, the combination with the wall of the combuntion chamber, a tnel-euppiy pipe, a cat-oil ot a heating or combination chamber, aaid wall being cock, and a regulating valve, or a heavy red lea readily r 'ulily .reeponeive to changee of temperature. a ilre-. reeponeive to ouch changea of temperature and rented fl box. a inci-eupply'pipe, and a regulating valve therein. to the outside of the ntov a lever aieo econ-ed be laid oi a rod connected with nail] wall and not readily reatove, the placee of attachment or raid lever and e! laid nponlivc to changer oi temperature, and a device operrod being npaced apart, laid rod and lever being pivoted nbieby the relative cxpnnnlon and contraction of held together, a nut carriedin trunnion by nnld lever, laid wall and eald rod and connected with the regulating regulating valve having ite atenl threaded hum u vnlvc. through the nut and provided with a handle.

5. in a liquid-incl burner, the combination with a '13. The combination with a liquid-M burner and a combination or beating chamber having a wall adapted to com! nation or radiating chamber having a thin Iheet-metai contract and expand on changea at temperature, a tirewall? box, a tnel-auppiy pipe, and a regulating valve therein, heated whereby naid wall in quickly reeponeive, by expan- IQ oi a device connected with the combustion or heating nionnnd contraction, to varintlonaintheln-pentureboth chamber and operable by the expanaion and contraction lnaide and outelde naid collimation chamber; a liquid-Intel thereof canned by variationa in the temperature, eeid aupply pipe and n regulating valve in laid pipe: and condevice being connected to eaid regulating valve no an to meeting mechanical between aaid wall and laid valve lncreale the nine ot the valve opcn ng'iin can of collwhereby eaid valve in actuated by lncheapandennnd con- 96 traction and. to reduce the nine thcreot in cane oi expanaion. traction.

0. in a liquid-fuel burner, the combination with a 14. The combination with a'lhuid-tuel burner and a combuetion or heating chamber having a metallic walicombuetion or radiating cha'lnbag having a thin lheet-metal readily reaporlaive to changnn in the temperature of the wall between aaid r and the otttnide area to be combuntion chamber, of a Jointed rod connected with heated whereby naid wall in quickly neponelve, by expan- 10! two placee on laid wall and not being readily reeponeive lion and contraction, to variation in the temperature both to nuch chnllgoe of temperature, elite-boa, a tuei-euppiy innide aald chamber and iuitha outside area: a liquid-M pipe and a regulating valve therein, and connecting nupply pipe for the burner; and a regulating valve in laid tnea le between the rod and the regulating valve whereby pipeactuated by the expdhaion and contraction ct raid hold valve in controlled. by .the capaneioa and contraction wall. 7 lol 15. The combination witha liquid-fuel burner and a readily reaponaive to channel in the temperature otjhe heated, laid wall being eupoeed'to the Operator both l qllll h hamber. of a bracket at the top ahd'lnothet' ct eaid chamber and ot'eaid area, whereby laid wall in 110 1 at the bottom, a heavy rod necured to one o! the bracket readily reaponaive, by contraction and upannien, to varian n ily mo nv n h i-ace r mp ra ure. tlone in the tc nperaturea both at laid chanhw and or laid it lcver necured to the other and to raid rod, a tuel-aupply area: a liquid-fuel Inpply pipe tor the burner: and a regpipe, and a regulating valve-controlled by. nald lever. ulating valve in 'llltl pipe actuated by the raid contraction i 4'0 8. The combinlation with a liquid-incl ntove having a and upaheion of said well. 11h

fl -m tal mm etl n r h ating c am er with a wall 16. The combination. with a liqn'ld-tual burner and a rc'ediiy reapobeive to, chhngee in' the temperature of the 'combtuflbn or r diating chambertheretor having'a thin combllation chamber, or; 'hrachet'at the top and another rm wall between all: chamber a d the area to be It the bottom, i r' i "M mlllcll heated, laid wail being expound to the.te|nperatnrca both 45. changes ot temperature and ean d to we of the of aid chamber and or late area, whereby laid wall in 120 v eta and a lever lccured to the other and to raid rod, rcadiiyreaponeive, by contraction new to varie l -mrn rr o e n i r v v n o d y l ationa in' the temperatnree both at laid and or c 3 level and mcana' for controlling a d nic i eaid area; a tulcruln-rod eecured to raid wall laid rod not manually. being readily reeponaive to nuch changea ot temperature: ii. The combination with a liquid-fuel atove having a g 1 i m (9 14 w ll at a polnt'apaeed apart from 125 uheet-matnl combuation or radiating chamber with a wall the .g th..mmm-'M h m m M n wi mo n-Ive to channel in the temperature .ut the lever being pivoted together eo-that the lever in actuated combustion chamber, of a heavy rod not readlly'reeponaive byflle contraction and expanelon ot laid wall: a iiuuldto such changee 0! temperature and a lever lecured a tuei nupply pipe tor the.burner: a cut-olcock anda regu- 66 p nm apart on laid chamber a pivoted o tech 'lnting valvetorthe eupply pipe: a connecting element in- 130 h r. a n u p n e reauletlnr controlled tween the lever and the regulating valve whereby the valve automatically by raid lever, a cut-oil cock and meana tor m t e b the lever; and mean tor manually ldllutcontroiiing aald regulating valve manually. i th valve.

10. The combination with a stove having walle.which 17, Th mmunion with a liquid-me! burner and a are readily rcnponalve to variationll'in temperature inside m-u chgmbeg therefor; a liquid-incl eupply pipe 186 and outllllic thereof, a fuel-supply pipe iniui ll regullltmy th burner; and a regulating valve in cold pipe: of a ing -vnlvo therein, a device not no renponnive and means thermo'utatie device directly actuated by thmvarlation'u In connecting the wall and the device and the. regulating ftempentun mm. the mmbu tion chamber, and a lever valve tor controlling the valve by the expunlliongnd coni l thereby; gnu: mounted in trunnione in aid io- 85 "M ill the ver; a atem tor the regulating valvezhavlng a threaded '14i -1l.. The combination with a ntove having ahcet-lnetai' m; m. g; a mu g mi walla readily rcuponelve to changes in the temperature j mp the reg lating valve.

ot the combllltloil chamber, a iuel-euppiy pipe. a cut-oi! In mum, when rim" hem-o i an cock and a regulating valve, a rod ieaa readily rc apopaive t bl "M mum. i0 mlch chall rclt of temperature and ll-lcver outeide oif f o i HA I MONT (EUIRIY. wall and ma rod and said iever being pivoted to each c other and opcrebly connected with aaid regulating valve. Witnclleee: no that the cxpanalon ot the wall will reduce the valve Jollll A. ilum'r,

.o wnlng and the contraction wlllincreaee it a, z. '1. Itlmtta. 

